1. A new X-ray technique and its application to orthodontics;Broadbent;Angle Orthod,1931
2. Die Bedeutung der röntgenfern- und abstandsaufnahme für die Diagnostik der kieferanomalien;Hofrath;Fortschritte der Orthodontik,1931
3. A biographical portrait of Edward Hartley Angle, the first specialist in orthodontics, part 1;Peck;Angle Orthod,2009
4. The influence of lateral head radiographs in orthodontic diagnosis and treatment planning;Hansen;Eur J Orthod,2001
5. The influence of cephalometrics on orthodontic treatment planning;Nijkamp;Eur J Orthod,2008